root/usr/src/lib/libeti/menu/common/menuformat.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1988 AT&T */
/*        All Rights Reserved   */


/*
 * Copyright (c) 1997, by Sun Mircrosystems, Inc.
 * All rights reserved.
 */

/*LINTLIBRARY*/

#include <sys/types.h>
#include "private.h"

int
set_menu_format(MENU *m, int rows, int cols)
{
        if (rows < 0 || cols < 0) {
                return (E_BAD_ARGUMENT);
        }
        if (m) {
                if (Posted(m)) {
                        return (E_POSTED);
                }
                if (rows == 0) {
                        rows = FRows(m);
                }
                if (cols == 0) {
                        cols = FCols(m);
                }

                /* The pattern buffer is allocated after items have been */
                /* connected */
                if (Pattern(m)) {
                        IthPattern(m, 0) = '\0';
                        Pindex(m) = 0;
                }

                FRows(m) = rows;
                FCols(m) = cols;
                Cols(m) = min(cols, Nitems(m));
                Rows(m) = (Nitems(m)-1) / cols + 1;
                Height(m) = min(rows, Rows(m));
                Top(m) = 0;
                Current(m) = IthItem(m, 0);
                SetLink(m);
                _scale(m);
        } else {
                if (rows > 0) {
                        FRows(Dfl_Menu) = rows;
                }
                if (cols > 0) {
                        FCols(Dfl_Menu) = cols;
                }
        }
        return (E_OK);
}

void
menu_format(MENU *m, int *rows, int *cols)
{
        if (m) {
                *rows = FRows(m);
                *cols = FCols(m);
        } else {
                *rows = FRows(Dfl_Menu);
                *cols = FCols(Dfl_Menu);
        }
}